[OT] Awk question

[Roger Heflin]

Dan Track wrote:
> On Wed, Aug 20, 2008 at 11:11 AM, Rui Miguel Silva Seabra <rms at 1407.org> wrote:
>> On Wed, Aug 20, 2008 at 11:03:58AM +0100, Dan Track wrote:
>>> Just wondering if you could lend me a little hand. Basically I want to
>>> rename a file from log.1 log.2 etc to log.10.36.34. The time stamp
>>> (ignore the date) should be the last written time, so far I've got to
>>> this stage:
>>>
>>> stat log | sed  -n '/Modify:/p' | awk -F ' ' '{print $3}'
>>>
>>> so I get :
>>> 11:01:09.000000000
>>>
>>> How can I get rid of the leading 0'swithout having to pipe the output
>>> to anotehr awk statement, is it possible to do this withing the
>>> current awk statement?
>> There simpler solutions but this works:
>>
>> stat log | awk '/Modify/ { print $3 }' | cut -d . -f 1
>>
> 
> 
> Hi
> 
> I had already changed it to do it the way you mentioned. Guess there's
> no way to do a second break within AWK.
> 
> Thanks Guys,
> 
> Dan
> 
It's trivial, you need to use the split function.

stat log | awk '/Modify/ { split($3,parts,".") ;print parts[1] }'

                          Roger